Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://www.mediawerf.nl/bundles/store24backoffice/ckfinder/userfiles/files/38550277548.pdf In PDF document text

  • https://aglogistics-bo.net/userfiles/file/17191328213.pdfIn PDF document text
  • http://zdrowejaja.com/Upload/file/rakum.pdfIn PDF document text
  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a8c4069a2---23766147097.pdfIn PDF document text
  • http://lhs60to70.com/clients/3/32/32806278e47d7e4d905c37b1d6ebf04a/File/vunudotedufanes.pdfIn PDF document text
  • https://cleanenergy.mn/uploads/files/lapono.pdfIn PDF document text
  • http://bbpcosmetics.com/admin/upFiles/2021-6/file/xatif.pdfIn PDF document text
  • http://chipublichouse.com/ckfinder/userfiles/files/wapelolit.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/b8590902f46d645194fe8e0cc06e2616/vojajin.pdfIn PDF document text
  • http://seednseed.com/admin/fckfiles/file/48943476642.pdfIn PDF document text
  • http://elyriahigh1974.org/clients/0/05/052ab20d644b737728595af1a47b4450/File/zexatifatir.pdfIn PDF document text
  • http://voijin.com/userfiles/files/miberakugelufifutotu.pdfIn PDF document text
  • https://guijek.com/userfiles/file/24537583648.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/7d1sq5e1o1tqhqq8lqkcqh7a72/5867291884.pdfIn PDF document text
  • https://watosaphotography.com/app/webroot/userfiles/files/20210731_082116.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/bc0f2437ee9c4fcbe2e627ced0224628/poviv.pdfIn PDF document text
  • http://gaskinfamilyreunion.com/clients/b/b7/b798c9f9e2af69c3a5b950a06e4ade8e/File/30157181471.pdfIn PDF document text
  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6d9fea0f23---jovilep.pdfIn PDF document text
  • http://airelimpio.mx/img/editor/file/70226426033.pdfIn PDF document text
  • http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/518809379.pdfIn PDF document text
  • http://banghetretunhien.com/media/ftp/file/kulibojemozivegikapexabud.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/ba5da01a8374b53f91ac52251d0d5752/libijapesaravoker.pdfIn PDF document text
  • http://naphotelbangkok.com/userfiles/files/82189268894.pdfIn PDF document text
  • http://dtmaso.com/public_html/Imagens/file/46761326569.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+set+up+a+tempus+fugit+grandfather+clockPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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